4p350V  is multi-cylinder lottery machine with display screen,more style,more fun,can add more chamber.Winning numbers can be quickly returned to the chamber without handling, and may be drawn individually or simultaneously. The fast mix and selection action allows for games with numerous selections to be done quickly and efficiently. For the automatic model, all functions are controlled by a microprocessor which allows all drawing parameters to be easily adjusted. These include the duration of the mixing time and the time interval between each selection.